Sony Handycam DCR-DVD100, Service Manual, Page: 118 / 174

6-28
DCR-DVD100/DVD100E
1. VCO Adjustment (VC-307 board)
Set the VCO free-run frequency. If deviated, the EVF screen will be
blurred.
Mode MOVIE ( )
Subject Arbitrary
Measurement Point Pin
7
of CN1003 (EVF VCO)
Measuring Instrument Frequency counter
Adjustment Page B
Adjustment Address 51, 52
Specified Value f = 15734
±
30Hz (NTSC)
f = 15625
±
30Hz (PAL)
Note1: The data of page: 0, address: 10 must be “00”.
Note2:
Refer to “Table 6-3-1. Hexadecimal-decimal Conversion Table”.
Adjusting method for NTSC model:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 B 51 Change the data and set the VCO
frequency (f) to the specified
value.
3 B 51 Press PAUSE button.
4 B 51 Read the data, and this data is
named D
51
.
5 Convert D
51
to decimal notation,
and obtain D
51
’. (Note2)
6 Calculate D
52
’ using following
equations (Decimal calculation)
When D
51
’ 231
D
52
’ = D
51
’ + 24
When D
51
’ > 231
D
52
’ = 255
7 Convert D
52
’ to a hexadecimal
number, and obtain D
52
. (Note2)
8 B 52 D
52
Set the data, and press PAUSE
button.
9 0 01 00 Set the data.
Adjusting method for PAL model:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 B 52 Change the data and set the VCO
frequency (f) to the specified
value.
3 B 52 Press PAUSE button.
4 B 52 Read the data, and this data is
named D
52
.
5 Convert D
52
to decimal notation,
and obtain D
52
’. (Note2)
6 Calculate D
51
’ using following
equations (Decimal calculation)
When D
52
’ 24
D
51
’ = D
52
’– 24
When D
52
’ < 24
D
51
’ = 0
7 Convert D
51
’ to a hexadecimal
number, and obtain D
51
. (Note2)
8 B 51 D
51
Set the data, and press PAUSE
button.
9 0 01 00 Set the data.